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Finding the Fourth Proportional to 574,232.13, 792,440.35 and 319,643.46

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Solution

The fourth proportional to 574,232.13, 792,440.35 and 319,643.46 is: 441,107.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,232.13 : 792,440.35 = 319,643.46 : x
  2. Step 2: Convert to fraction form
    574,232.13/792,440.35 = 319,643.46/x
  3. Step 3: Cross multiply
    574,232.13x = 792,440.35 × 319,643.46
  4. Step 4: Simplify right side
    574,232.13x = 253,298,374,518.50
  5. Step 5: Solve for x
    x = 253,298,374,518.50/574,232.13
  6. Step 6: Final answer
    x = 441,107.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.